Sec Form 13D Filing - Politan Capital Management LP filing for MASIMO CORP (MASI) - 2023-03-13

Insider filing report for Changes in Beneficial Ownership

  • Schedule 13G & 13D forms are used to report a party's ownership of stock which exceeds 5% of a company's total stock issue.
  • Schedule 13G is a shorter version of Schedule 13D with fewer reporting requirements.
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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
                            
SCHEDULE 13D
(Rule 13d-101)
INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED
PURSUANT TO RULE 13d-2(a)
Under the Securities Exchange Act of 1934
(Amendment No. 4)*
Masimo Corporation
(Name of Issuer)
Common Stock, par value $0.001 per share
(Title of Class of Securities)
574795100
(CUSIP Number)
Quentin Koffey
Politan Capital Management LP
c/o Schulte Roth & Zabel LLP
919 Third Avenue, Suite 2300
New York, New York 10022
646-690-2830
With a copy to:
Richard M. Brand
Cadwalader, Wickersham & Taft LLP
200 Liberty Street
New York, NY 10281
212-504-6000
(Name, Address and Telephone Number of Person Authorized to Receive Notices and Communications)
March 10, 2023
(Date of Event Which Requires Filing of This Statement)
                            
If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) or 13d-1(g), check the following box. ☐

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See Rule 13d-7 for other parties to whom copies are to be sent.


 *
The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.
The information required on the remainder of this cover page shall not be deemed to be “filed” for the purpose of section 18 of the Securities Exchange Act of 1934 (“Act”) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).




CUSIP No. 574795100
 
Page 2

1
NAME OF REPORTING PERSON
Politan Capital Management LP
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☒  (b) ☐
3
SEC USE ONLY
 
4
SOURCE OF FUNDS
 
OO (See Item 3)
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
 
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
Number of
shares
beneficially
owned by
each
reporting
person
with
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
4,739,963
 
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
4,739,963
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
4,739,963
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
9.0%*
14
TYPE OF REPORTING PERSON
 
IA
* All percentage calculations set forth herein are based upon the aggregate of 52,601,943 shares of Common Stock outstanding as of January 28, 2023, as reported in the Issuer’s Annual Report on Form 10-K filed with the Securities and Exchange Commission (the “SEC”) on March 1, 2023.

CUSIP No. 574795100
 
Page 3

1
NAME OF REPORTING PERSON
Politan Capital Management GP LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☒  (b) ☐
3
SEC USE ONLY
 
 
4
SOURCE OF FUNDS
 
OO (See Item 3)
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
 
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
Number of
shares
beneficially
owned by
each
reporting
person
with
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
4,739,963
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
4,739,963
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
4,739,963
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
9.0%*
14
TYPE OF REPORTING PERSON
 
IA
* All percentage calculations set forth herein are based upon the aggregate of 52,601,943 shares of Common Stock outstanding as of January 28, 2023, as reported in the Issuer’s Annual Report on Form 10-K filed with the SEC on March 1, 2023.

CUSIP No. 574795100
 
Page 4

1
NAME OF REPORTING PERSON
Politan Capital Partners GP LLC
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☒  (b) ☐
3
SEC USE ONLY
 
 
4
SOURCE OF FUNDS
 
OO (See Item 3)
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
 
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
Delaware
Number of
shares
beneficially
owned by
each
reporting
person
with
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
4,739,963
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
4,739,963
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
4,739,963
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
9.0%*
14
TYPE OF REPORTING PERSON
 
IA
* All percentage calculations set forth herein are based upon the aggregate of 52,601,943 shares of Common Stock outstanding as of January 28, 2023, as reported in the Issuer’s Annual Report on Form 10-K filed with the SEC on March 1, 2023.

CUSIP No. 574795100
 
Page 5

1
NAME OF REPORTING PERSON
Quentin Koffey
2
CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
(a) ☒  (b) ☐
3
SEC USE ONLY
 
 
4
SOURCE OF FUNDS
 
OO (See Item 3)
5
CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO ITEMS 2(d) OR 2(e)
 
6
CITIZENSHIP OR PLACE OF ORGANIZATION
 
United States
Number of
shares
beneficially
owned by
each
reporting
person
with
7
SOLE VOTING POWER
 
0
8
SHARED VOTING POWER
 
4,739,963
9
SOLE DISPOSITIVE POWER
 
0
10
SHARED DISPOSITIVE POWER
 
4,739,963
11
AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
4,739,963
12
CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES
 
13
PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
 
9.0%*
14
TYPE OF RE PORTING PERSON
 
IN
* All percentage calculations set forth herein are based upon the aggregate of 52,601,943 shares of Common Stock outstanding as of January 28, 2023, as reported in the Issuer’s Annual Report on Form 10-K filed with the SEC on March 1, 2023.

CUSIP No. 574795100
 
Page 6
This Amendment No. 4 to Schedule 13D (this “Amendment No. 4”) amends and supplements the Schedule 13D filed on August 16, 2022 (as amended and supplemented through the date of this Amendment No. 4, collectively, the “Schedule 13D”) by the Reporting Persons, relating to the common stock, par value $0.001 per share, of Masimo Corporation, a Delaware corporation (the “Issuer”). Capitalized terms not defined in this Amendment No. 4 shall have the meaning ascribed to them in the Schedule 13D.
The information set forth in response to Item 4 below shall be deemed to be a response to all Items where such information is relevant.
ITEM 4.
PURPOSE OF TRANSACTION

Item 4 of the Schedule 13D is hereby amended and supplemented with the following information:
On March 10, 2023, Politan filed a public version of a motion for leave to file the Second Amended and Supplemented Complaint.
A copy of the form of Second Amended and Supplemented Complaint, which was filed as an exhibit to the motion for leave to amend, is attached hereto as Exhibit 99.5 and is incorporated herein by reference.

ITEM 7.
MATERIAL TO BE FILED AS AN EXHIBIT

Exhibit 99.1
Joint Filing Agreement among Politan Capital Management LP, Politan Capital Management GP LLC, Politan Capital Partners GP LLC, and Quentin Koffey*
 
 
Exhibit 99.2
Trading Data*
   
Exhibit 99.3
Trading Data*
   
Exhibit 99.4
Form of Verified Complaint, filed with the Delaware Court of Chancery on October 21, 2022*
   
Form of Second Amended and Supplemented Complaint, filed as an Exhibit to the Motion for Leave to Amend with the Delaware Court of Chancery on March 10, 2023


*Previously filed.

CUSIP No. 574795100
 
Page 7
SIGNATURES
After reasonable inquiry and to the best of each of the undersigned’s knowledge and belief, each of the undersigned certifies that the information set forth in this statement is true, complete and correct.
Date: March 13, 2023
  POLITAN CAPITAL MANAGEMENT LP  
       
  By:
Politan Capital Management GP LLC,
its general partner
 
       

By:
/s/  Quentin Koffey
 
    Name:  Quentin Koffey
 
    Title:     Managing Member
 
       
  POLITAN CAPITAL MANAGEMENT GP LLC  
       

By:
/s/  Quentin Koffey
 
    Name:  Quentin Koffey
 
    Title:     Managing Member
 
       
  POLITAN CAPITAL PARTNERS GP LLC  
       

By:
/s/  Quentin Koffey
 
    Name:  Quentin Koffey
 
    Title:     Managing Member
 
       
  QUENTIN KOFFEY
 
       

By:
/s/  Quentin Koffey
 
    Name:  Quentin Koffey
 
   
 
       



CUSIP No. 574795100
 
Page 8
INDEX TO EXHIBITS
 
Exhibit
 
 
Description
Exhibit 99.1
 
Joint Filing Agreement among Politan Capital Management LP, Politan Capital Management GP LLC, Politan Capital Partners GP LLC, and Quentin Koffey*
 
 
 
Exhibit 99.2
 
Trading Data*
     
Exhibit 99.3
 
Trading Data*
     
Exhibit 99.4
 
Form of Verified Complaint, filed with the Delaware Court of Chancery on October 21, 2022*
     
 
Form of Second Amended and Supplemented Complaint, filed as an Exhibit to the Motion for Leave to Amend with the Delaware Court of Chancery on March 10, 2023


*Previously filed.